﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using jnxc.DBUtility;//Please add references
namespace jnxc.DAL
{
	/// <summary>
	/// 数据访问类:myarea
	/// </summary>
	public partial class myarea
	{
		public myarea()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("maid", "myarea"); 
		}
        public DataSet GetListv(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select [maid],[province],[uid],[aname],[abh] ");
            strSql.Append(" FROM Vmyarea ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int maid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from myarea");
			strSql.Append(" where maid=@maid");
			SqlParameter[] parameters = {
					new SqlParameter("@maid", SqlDbType.Int,4)
			};
			parameters[0].Value = maid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}
        public bool Exists(int aid,int uid)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from myarea");
            strSql.Append(" where aid=@aid and uid=@uid");
            SqlParameter[] parameters = {
					new SqlParameter("@aid", SqlDbType.Int,4),
                    new SqlParameter("@uid", SqlDbType.Int,4)
			};
            parameters[0].Value = aid;
            parameters[1].Value = uid;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(jnxc.Model.myarea model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into myarea(");
			strSql.Append("aid,uid,province)");
			strSql.Append(" values (");
			strSql.Append("@aid,@uid,@province)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@aid", SqlDbType.Int,4),
					new SqlParameter("@uid", SqlDbType.Int,4),
					new SqlParameter("@province", SqlDbType.NVarChar,10)};
			parameters[0].Value = model.aid;
			parameters[1].Value = model.uid;
			parameters[2].Value = model.province;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(jnxc.Model.myarea model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update myarea set ");
			strSql.Append("aid=@aid,");
			strSql.Append("uid=@uid,");
			strSql.Append("province=@province");
			strSql.Append(" where maid=@maid");
			SqlParameter[] parameters = {
					new SqlParameter("@aid", SqlDbType.Int,4),
					new SqlParameter("@uid", SqlDbType.Int,4),
					new SqlParameter("@province", SqlDbType.NVarChar,10),
					new SqlParameter("@maid", SqlDbType.Int,4)};
			parameters[0].Value = model.aid;
			parameters[1].Value = model.uid;
			parameters[2].Value = model.province;
			parameters[3].Value = model.maid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int maid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from myarea ");
			strSql.Append(" where maid=@maid");
			SqlParameter[] parameters = {
					new SqlParameter("@maid", SqlDbType.Int,4)
			};
			parameters[0].Value = maid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string maidlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from myarea ");
			strSql.Append(" where maid in ("+maidlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnxc.Model.myarea GetModel(int maid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 maid,aid,uid,province from myarea ");
			strSql.Append(" where maid=@maid");
			SqlParameter[] parameters = {
					new SqlParameter("@maid", SqlDbType.Int,4)
			};
			parameters[0].Value = maid;

			jnxc.Model.myarea model=new jnxc.Model.myarea();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnxc.Model.myarea DataRowToModel(DataRow row)
		{
			jnxc.Model.myarea model=new jnxc.Model.myarea();
			if (row != null)
			{
				if(row["maid"]!=null && row["maid"].ToString()!="")
				{
					model.maid=int.Parse(row["maid"].ToString());
				}
				if(row["aid"]!=null && row["aid"].ToString()!="")
				{
					model.aid=int.Parse(row["aid"].ToString());
				}
				if(row["uid"]!=null && row["uid"].ToString()!="")
				{
					model.uid=int.Parse(row["uid"].ToString());
				}
				if(row["province"]!=null)
				{
					model.province=row["province"].ToString();
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select maid,aid,uid,province ");
			strSql.Append(" FROM myarea ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" maid,aid,uid,province ");
			strSql.Append(" FROM myarea ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM myarea ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.maid desc");
			}
			strSql.Append(")AS Row, T.*  from myarea T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "myarea";
			parameters[1].Value = "maid";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

